During the nineteenth century, “prelude,” “impromptu,” and “intermezzo” were common titles for:

In the nineteenth century, the titles “prelude,” “impromptu,” and “intermezzo” were mutual titles for short, lyric piano pieces at that time. Prelude normally features a small amount of rhythmic and melodic themes that reappear through the piece. While the impromptu, is a freestyle musical work with the personality of an unrehearsed improvisation like it was driven by the essence of the moment, usually done in a piano. Lastly, intermezzo is a work which fits among other musical or dramatic individuals, such as acts of a play or actions of a larger musical work.

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .

anybody wanna play fortnite?